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Method and apparatus for transmitting/recording computer-generated displays on an information channel having only audio bandwidth

  • US 4,797,750 A
  • Filed: 04/16/1986
  • Issued: 01/10/1989
  • Est. Priority Date: 04/16/1986
  • Status: Expired due to Fees
First Claim
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1. Apparatus for transmitting a computer-generated image together with an audio signal, comprising:

  • audio signal generating means adapted for receiving an aural input and converting said aural input into electrical audio signals indicative thereof;

    computer means for generating first display codes from which said computer-generated image may be derived;

    first conversion means for receiving said first display codes and converting each said display code into an electrical audio tone signals indicative of said each first display codes; and

    transmission means, coupled to said audio signal generating means and to said first conversion means and having first and second channels of an audio bandwidth, for simultaneously transmitting said audio signals on said first channel and said audio tone signals on said second channel.

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